how to find file from blockName in HDFS hadoop

Question

What\'s the easiest way to find file associated with a block in HDFS given a block Name/ID

Answer 1

Not sure when this was introduced but you can do this

hdfs fsck -blockId 

hdfs fsck -blockId blk_1100790203
Connecting to namenode 
FSCK started by hdfs 

Block Id: blk_1100790203
Block belongs to: /common/FFL1447685899336.txt